226  
CDUS43 KLOT 112239  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CST THU MAR 11 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MARCH 11 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 12:29 AM 68 2012 46 16  
MINIMUM 42 8:22 AM 11 1998 27 15  
AVERAGE 52 36 16  
 
PRECIPITATION (IN)  
TODAY 0.03 0.61 2010 0.07 -0.04  
MONTH TO DATE 0.03 0.79 -0.76  
SINCE MAR 1 0.03 0.79 -0.76  
SINCE JAN 1 1.19 3.52 -2.33  
 
DEGREE DAYS  
HEATING  
TODAY 13 29 -16  
MONTH TO DATE 270 338 -68  
SINCE MAR 1 270 338 -68  
SINCE JUL 1 5069 5093 -24  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE MAR 1 0 0 0  
SINCE JAN 1 0 0 0    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 18.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 63 2007  
MINIMUM TEMPERATURE (F) 27 3 1998  
 
SUNRISE AND SUNSET  
MARCH 11 2021.........SUNRISE 6:11 AM CST SUNSET 5:55 PM CST  
MARCH 12 2021.........SUNRISE 6:09 AM CST SUNSET 5:56 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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